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path: root/drivers/input/touchscreen/melfas_touchkey.c
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Diffstat (limited to 'drivers/input/touchscreen/melfas_touchkey.c')
-rw-r--r--drivers/input/touchscreen/melfas_touchkey.c717
1 files changed, 0 insertions, 717 deletions
diff --git a/drivers/input/touchscreen/melfas_touchkey.c b/drivers/input/touchscreen/melfas_touchkey.c
deleted file mode 100644
index dd7584c..0000000
--- a/drivers/input/touchscreen/melfas_touchkey.c
+++ /dev/null
@@ -1,717 +0,0 @@
-/*
- * Driver for keys on GPIO lines capable of generating interrupts.
- *
- * Copyright 2005 Phil Blundell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/i2c.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/sched.h>
-#include <linux/pm.h>
-#include <linux/sysctl.h>
-#include <linux/proc_fs.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/input.h>
-#include <mach/regs-gpio.h>
-#include <plat/gpio-cfg.h>
-#include <asm/gpio.h>
-#include <linux/miscdevice.h>
-#include <asm/uaccess.h>
-#include <linux/earlysuspend.h>
-#include <asm/io.h>
-#include <mach/gpio.h>
-#include <mach/irqs.h>
-#include <mach/gpio-midas.h>
-
-#ifdef CONFIG_CPU_FREQ
-#include <mach/cpufreq.h>
-#endif
-
-/*
-Melfas touchkey register
-*/
-#define KEYCODE_REG 0x00
-#define FIRMWARE_VERSION 0x01
-#define TOUCHKEY_MODULE_VERSION 0x02
-#define TOUCHKEY_ADDRESS 0x20
-
-#define UPDOWN_EVENT_BIT 0x08
-#define KEYCODE_BIT 0x07
-#define ESD_STATE_BIT 0x10
-
-/* keycode value */
-#define TOUCHKEY_KEYCODE_MENU 139
-#define TOUCHKEY_KEYCODE_BACK 158
-
-#define I2C_M_WR 0 /* for i2c */
-
-//#define IRQ_TOUCH_INT (IRQ_EINT_GROUP22_BASE + 1)
-#define DEVICE_NAME "melfas-touchkey"
-#define INT_PEND_BASE 0xE0200A54
-
-#define MCS5000_CHIP 0x93
-#define MCS5080_CHIP 0x90
-#define MCS5000_last_ver 0x38
-#define MCS5080_last_ver 0x30
-
-// if you want to see log, set this definition to NULL or KERN_WARNING
-#define TCHKEY_KERN_DEBUG KERN_DEBUG
-
-#define _3_TOUCH_SDA_28V GPIO_3_TOUCH_SDA
-#define _3_TOUCH_SCL_28V GPIO_3_TOUCH_SCL
-#define _3_GPIO_TOUCH_EN GPIO_TOUCH_EN
-#define _3_GPIO_TOUCH_INT GPIO_3_TOUCH_INT
-//#define IRQ_TOUCH_INT S5P_GPIOINT_BASE+22
-#define IRQ_TOUCH_INT gpio_to_irq(GPIO_3_TOUCH_INT)
-
-static unsigned int HWREV=7;
-//extern unsigned int HWREV; jiseong.oh
-static int touchkey_keycode[3] =
- { 0, TOUCHKEY_KEYCODE_MENU, TOUCHKEY_KEYCODE_BACK };
-static u8 activation_onoff = 1; // 0:deactivate 1:activate
-static u8 is_suspending = 0;
-static u8 user_press_on = 0;
-static u8 touchkey_dead = 0;
-static u8 menu_sensitivity = 0;
-static u8 back_sensitivity = 0;
-static u8 version_info[3];
-static void __iomem *gpio_pend_mask_mem;
-
-struct i2c_touchkey_driver {
- struct i2c_client *client;
- struct input_dev *input_dev;
- struct work_struct work;
- struct early_suspend early_suspend;
-};
-struct i2c_touchkey_driver *touchkey_driver = NULL;
-struct workqueue_struct *touchkey_wq;
-
-static const struct i2c_device_id melfas_touchkey_id[] = {
- {"melfas-touchkey", 1},
- {}
-};
-
-MODULE_DEVICE_TABLE(i2c, melfas_touchkey_id);
-
-extern void get_touchkey_data(u8 *data, u8 length);
-static void init_hw(void);
-static int i2c_touchkey_probe(struct i2c_client *client, const struct i2c_device_id *id);
-
-struct i2c_driver touchkey_i2c_driver =
-{
- .driver = {
- .name = "melfas-touchkey",
- },
- .id_table = melfas_touchkey_id,
- .probe = i2c_touchkey_probe,
-};
-
-
-static int i2c_touchkey_read(u8 reg, u8 *val, unsigned int len)
-{
- int err;
- int retry = 3;
- struct i2c_msg msg[1];
-
- if((touchkey_driver == NULL)||touchkey_dead)
- {
- return -ENODEV;
- }
-
- while(retry--)
- {
- msg->addr = touchkey_driver->client->addr;
- msg->flags = I2C_M_RD;
- msg->len = len;
- msg->buf = val;
- err = i2c_transfer(touchkey_driver->client->adapter, msg, 1);
-
- if (err >= 0)
- {
- return 0;
- }
- printk(KERN_ERR "%s %d i2c transfer error\n", __func__, __LINE__);/* add by inter.park */
- mdelay(10);
- }
-
- return err;
-
-}
-
-static int i2c_touchkey_write(u8 *val, unsigned int len)
-{
- int err;
- struct i2c_msg msg[1];
- unsigned char data[2];
-
- if((touchkey_driver == NULL)||is_suspending||touchkey_dead)
- {
- return -ENODEV;
- }
-
- data[0] = *val;
- msg->addr = touchkey_driver->client->addr;
- msg->flags = I2C_M_WR;
- msg->len = len;
- msg->buf = data;
-
- err = i2c_transfer(touchkey_driver->client->adapter, msg, 1);
-
- if (err >= 0) return 0;
-
- printk(KERN_ERR "%s %d i2c transfer error\n", __func__, __LINE__);
-
- return err;
-}
-
-static unsigned int touch_state_val;
-//extern unsigned int touch_state_val;
-extern void TSP_forced_release(void);
-void touchkey_work_func(struct work_struct * p)
-{
- u8 data[5];
- int keycode;
- int retry = 10;
-
- if(!gpio_get_value(_3_GPIO_TOUCH_INT) && !touchkey_dead)
- {
- get_touchkey_data(data, 5);
-
- if((data[0] & ESD_STATE_BIT)|(data[3]>=45)|(data[4]>=45)) // ESD state or abnormal sensitivity
- {
- is_suspending = 1;
- printk(KERN_ERR "touchkey ESD_STATE_BIT set\n");
- if(user_press_on==1)
- {
- input_report_key(touchkey_driver->input_dev, TOUCHKEY_KEYCODE_MENU, 0);
- printk(TCHKEY_KERN_DEBUG "ESD release menu key\n");
- }
- else if(user_press_on==2)
- {
- input_report_key(touchkey_driver->input_dev, TOUCHKEY_KEYCODE_BACK, 0);
- printk(TCHKEY_KERN_DEBUG "ESD release back key\n");
- }
- user_press_on = 0;
-
- while(retry--)
- {
- gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
- gpio_direction_output(_3_TOUCH_SDA_28V, 0);
- gpio_direction_output(_3_TOUCH_SCL_28V, 0);
- msleep(300);
- init_hw();
- if(i2c_touchkey_read(KEYCODE_REG, data, 3)>=0)
- {
- printk(TCHKEY_KERN_DEBUG "touchkey ESD init success\n");
- enable_irq(IRQ_TOUCH_INT);
- is_suspending = 0;
- return;
- }
- printk(KERN_ERR "i2c transfer error after ESD, retry...%d",retry);
- }
- touchkey_dead = 1;
- gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
- gpio_direction_output(_3_TOUCH_SDA_28V, 0);
- gpio_direction_output(_3_TOUCH_SCL_28V, 0);
- printk(KERN_ERR "touchkey died after ESD");
- return;
- }
- else
- {
- keycode = touchkey_keycode[data[0] & KEYCODE_BIT];
- }
-
- if(activation_onoff){
- if(data[0] & UPDOWN_EVENT_BIT) // key released
- {
- user_press_on = 0;
- input_report_key(touchkey_driver->input_dev, keycode, 0);
- input_sync(touchkey_driver->input_dev);
-// printk(TCHKEY_KERN_DEBUG "touchkey release keycode: %d\n", keycode);
- }
- else // key pressed
- {
-
- if(touch_state_val == 1)
- {
- printk(TCHKEY_KERN_DEBUG "touchkey pressed but don't send event because touch is pressed. \n");
- }
- else
- {
- if(keycode==TOUCHKEY_KEYCODE_BACK)
- {
- //TSP_forced_release(); Jiseong.oh
-#ifdef CONFIG_CPU_FREQ
-// set_dvfs_target_level(LEV_800MHZ);//set to comment temporarily by mseok.chae 2011.01.11
-#endif
- user_press_on = 2;
- back_sensitivity = data[4];
- input_report_key(touchkey_driver->input_dev, keycode,1);
- input_sync(touchkey_driver->input_dev);
-// printk(TCHKEY_KERN_DEBUG "back key sensitivity = %d\n",back_sensitivity);
-// printk(TCHKEY_KERN_DEBUG " touchkey press keycode: %d\n", keycode);
- }
- else if(keycode==TOUCHKEY_KEYCODE_MENU)
- {
- user_press_on = 1;
- menu_sensitivity = data[3];
- input_report_key(touchkey_driver->input_dev, keycode,1);
- input_sync(touchkey_driver->input_dev);
-// printk(TCHKEY_KERN_DEBUG "menu key sensitivity = %d\n",menu_sensitivity);
-// printk(TCHKEY_KERN_DEBUG " touchkey press keycode: %d\n", keycode);
- }
- }
- }
- }
- }
- else
- printk(KERN_ERR "touchkey interrupt line is high!\n");
-
- enable_irq(IRQ_TOUCH_INT);
- return ;
-}
-
-static irqreturn_t touchkey_interrupt(int irq, void *dummy)
-{
- disable_irq_nosync(IRQ_TOUCH_INT);
- queue_work(touchkey_wq, &touchkey_driver->work);
-
- return IRQ_HANDLED;
-}
-
-#ifdef CONFIG_HAS_EARLYSUSPEND
-static void melfas_touchkey_early_suspend(struct early_suspend *h)
-{
- pr_info("melfas_touchkey_early_suspend +++\n");
-
- is_suspending = 1;
- if(user_press_on==1)
- {
- input_report_key(touchkey_driver->input_dev, TOUCHKEY_KEYCODE_MENU, 0);
-// printk(TCHKEY_KERN_DEBUG "%s release menu key\n",__func__);
- }
- else if(user_press_on==2)
- {
- input_report_key(touchkey_driver->input_dev, TOUCHKEY_KEYCODE_BACK, 0);
-// printk(TCHKEY_KERN_DEBUG "%s release back key\n",__func__);
- }
- user_press_on = 0;
-
- if(touchkey_dead)
- {
- printk(KERN_ERR "touchkey died after ESD");
- return;
- }
-
- disable_irq(IRQ_TOUCH_INT);
- gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
- gpio_direction_output(_3_TOUCH_SDA_28V, 0);
- gpio_direction_output(_3_TOUCH_SCL_28V, 0);
-
- pr_info("melfas_touchkey_early_suspend ---\n");
-}
-
-static void melfas_touchkey_early_resume(struct early_suspend *h)
-{
- pr_info("melfas_touchkey_early_resume +++\n");
-
- if(touchkey_dead)
- {
- printk(KERN_ERR "touchkey died after ESD");
- return;
- }
-
- gpio_direction_output(_3_GPIO_TOUCH_EN, 1);
- msleep(100);
-
-#if 0
- //clear interrupt
- if(readl(gpio_pend_mask_mem)&(0x1<<1))
- writel(readl(gpio_pend_mask_mem)|(0x1<<1), gpio_pend_mask_mem);
-#endif
- enable_irq(IRQ_TOUCH_INT);
- is_suspending = 0;
-
- pr_info("melfas_touchkey_early_resume ---\n");
-}
-#endif // End of CONFIG_HAS_EARLYSUSPEND
-
-extern int mcsdl_download_binary_data(u8 chip_ver);
-//extern int mcsdl_download_binary_file(unsigned char *pData, unsigned short nBinary_length);
-static int i2c_touchkey_probe(struct i2c_client *client, const struct i2c_device_id *id)
-{
- struct device *dev = &client->dev;
- struct input_dev *input_dev;
- int err = 0;
-
- printk("melfas touchkey probe called!\n");
- touchkey_driver = kzalloc(sizeof(struct i2c_touchkey_driver), GFP_KERNEL);
- if (touchkey_driver == NULL)
- {
- dev_err(dev, "failed to create our state\n");
- return -ENOMEM;
- }
-
- touchkey_driver->client = client;
-
- touchkey_driver->client->irq = IRQ_TOUCH_INT;
- strlcpy(touchkey_driver->client->name, "melfas-touchkey", I2C_NAME_SIZE);
-
- input_dev = input_allocate_device();
-
- if (!input_dev)
- return -ENOMEM;
-
- touchkey_driver->input_dev = input_dev;
-
- input_dev->name = DEVICE_NAME;
- input_dev->phys = "melfas-touchkey/input0";
- input_dev->id.bustype = BUS_HOST;
-
- set_bit(EV_SYN, input_dev->evbit);
- set_bit(EV_KEY, input_dev->evbit);
- set_bit(touchkey_keycode[1], input_dev->keybit);
- set_bit(touchkey_keycode[2], input_dev->keybit);
-
- err = input_register_device(input_dev);
- if (err)
- {
- input_free_device(input_dev);
- return err;
- }
-
- gpio_pend_mask_mem = ioremap(INT_PEND_BASE, 0x10);
- touchkey_wq = create_singlethread_workqueue("melfas_touchkey_wq");
- if (!touchkey_wq)
- return -ENOMEM;
-
- INIT_WORK(&touchkey_driver->work, touchkey_work_func);
-
-#ifdef CONFIG_HAS_EARLYSUSPEND
- touchkey_driver->early_suspend.suspend = melfas_touchkey_early_suspend;
- touchkey_driver->early_suspend.resume = melfas_touchkey_early_resume;
- register_early_suspend(&touchkey_driver->early_suspend);
-#endif /* CONFIG_HAS_EARLYSUSPEND */
-
- if (request_irq(IRQ_TOUCH_INT, touchkey_interrupt, IRQF_DISABLED, DEVICE_NAME, touchkey_driver))
- {
- printk(KERN_ERR "%s Can't allocate irq ..\n", __FUNCTION__);
- return -EBUSY;
- }
-
- return 0;
-}
-
-static void init_hw(void)
-{
- gpio_direction_output(_3_GPIO_TOUCH_EN, 1);
- msleep(100);
- s3c_gpio_setpull(_3_GPIO_TOUCH_INT, S3C_GPIO_PULL_NONE);
- s3c_gpio_cfgpin(EXYNOS4212_GPJ1(0), S3C_GPIO_SFN(0xf));
- irq_set_irq_type(IRQ_TOUCH_INT, IRQ_TYPE_EDGE_FALLING);
-}
-
-
-int touchkey_update_open (struct inode *inode, struct file *filp)
-{
- return 0;
-}
-
-ssize_t touchkey_update_read(struct file *filp, char *buf, size_t count, loff_t *f_pos)
-{
- return 0;
-}
-
-ssize_t touchkey_update_write (struct file *filp, const char *buf, size_t count, loff_t *f_pos)
-{
- return count;
-}
-
-int touchkey_update_release (struct inode *inode, struct file *filp)
-{
- return 0;
-}
-
-static ssize_t touchkey_activation_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t size)
-{
- printk(TCHKEY_KERN_DEBUG "called %s\n", __func__);
- sscanf(buf, "%hhu", &activation_onoff);
- printk(TCHKEY_KERN_DEBUG "deactivation test = %d\n", activation_onoff);
- return size;
-}
-
-static ssize_t touchkey_version_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- printk(TCHKEY_KERN_DEBUG "called %s \n",__func__);
- return sprintf(buf,"%02x\n",version_info[1]);
-}
-
-static ssize_t touchkey_recommend_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- u8 recommended_ver;
- printk(TCHKEY_KERN_DEBUG "called %s \n",__func__);
- if(version_info[2]==MCS5000_CHIP)
- {
- recommended_ver = MCS5000_last_ver;
- }
- else if(version_info[2]==MCS5080_CHIP)
- {
- recommended_ver = MCS5080_last_ver;
- }
- else
- {
- recommended_ver = version_info[1];
- }
-
- return sprintf(buf,"%02x\n",recommended_ver);
-}
-
-static ssize_t touchkey_firmup_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- printk(TCHKEY_KERN_DEBUG "Touchkey firm-up start!\n");
- if(version_info[2]==MCS5000_CHIP)
- mcsdl_download_binary_data(MCS5000_CHIP);
- else if(version_info[2]==MCS5080_CHIP)
- mcsdl_download_binary_data(MCS5080_CHIP);
- else
- printk(KERN_ERR "Touchkey IC module is old, can't update!");
-
- get_touchkey_data(version_info, 3);
- printk(TCHKEY_KERN_DEBUG "Updated F/W version: 0x%x, Module version:0x%x\n", version_info[1], version_info[2]);
- return sprintf(buf,"%02x\n",version_info[1]);
-}
-
-static ssize_t touchkey_init_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- printk(TCHKEY_KERN_DEBUG "called %s \n",__func__);
- return sprintf(buf,"%d\n",touchkey_dead);
-}
-
-static ssize_t touchkey_menu_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- printk(TCHKEY_KERN_DEBUG "called %s \n",__func__);
- return sprintf(buf,"%d\n",menu_sensitivity);
-}
-
-static ssize_t touchkey_back_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- printk(TCHKEY_KERN_DEBUG "called %s \n",__func__);
- return sprintf(buf,"%d\n",back_sensitivity);
-}
-
-static ssize_t touch_led_control(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
-{
- u8 data;
- if(user_press_on)
- return size;
-
- sscanf(buf, "%hhu", &data);
- i2c_touchkey_write(&data, 1); // LED on(data=1) or off(data=2)
- return size;
-}
-
-static ssize_t touchkey_enable_disable(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
-{
- // this function is called when platform shutdown thread begins
- printk(TCHKEY_KERN_DEBUG "called %s %c \n",__func__, *buf);
- if(*buf == '0')
- {
- is_suspending = 1;
- disable_irq(IRQ_TOUCH_INT);
- gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
- }
- else
- {
- printk(KERN_ERR "%s: unknown command %c \n",__func__, *buf);
- }
-
- return size;
-}
-
-struct file_operations touchkey_update_fops =
-{
- .owner = THIS_MODULE,
- .read = touchkey_update_read,
- .write = touchkey_update_write,
- .open = touchkey_update_open,
- .release = touchkey_update_release,
-};
-
-static struct miscdevice touchkey_update_device = {
- .minor = MISC_DYNAMIC_MINOR,
- .name = "melfas_touchkey",
- .fops = &touchkey_update_fops,
-};
-
-static DEVICE_ATTR(touchkey_activation, 0664, NULL, touchkey_activation_store);
-static DEVICE_ATTR(touchkey_version, S_IRUGO, touchkey_version_show, NULL);
-static DEVICE_ATTR(touchkey_recommend, S_IRUGO, touchkey_recommend_show, NULL);
-static DEVICE_ATTR(touchkey_firmup, S_IRUGO, touchkey_firmup_show, NULL);
-static DEVICE_ATTR(touchkey_init, S_IRUGO, touchkey_init_show, NULL);
-static DEVICE_ATTR(touchkey_menu, S_IRUGO, touchkey_menu_show, NULL);
-static DEVICE_ATTR(touchkey_back, S_IRUGO, touchkey_back_show, NULL);
-static DEVICE_ATTR(brightness, 0664, NULL, touch_led_control);
-static DEVICE_ATTR(enable_disable, 0664, NULL, touchkey_enable_disable);
-
-static int __init touchkey_init(void)
-{
-
- int ret = 0;
-
- u8 updated = 0;
- if ((ret = gpio_request(_3_GPIO_TOUCH_EN, "_3_GPIO_TOUCH_EN")))
- printk(KERN_ERR "Failed to request gpio %s:%d\n", __func__, __LINE__);
-
-// if (ret = gpio_request(_3_GPIO_TOUCH_INT, "_3_GPIO_TOUCH_INT"))
-// printk(KERN_ERR "Failed to request gpio %s:%d\n", __func__, __LINE__);
-
- ret = misc_register(&touchkey_update_device);
- if (ret) {
- printk(KERN_ERR "%s misc_register fail\n",__FUNCTION__);
- }
-
- if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_activation) < 0)
- {
- printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_activation\n",__FUNCTION__);
- pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_activation.attr.name);
- }
-
- if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_version) < 0)
- {
- printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_version\n",__FUNCTION__);
- pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_version.attr.name);
- }
-
- if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_recommend) < 0)
- {
- printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_recommend\n",__FUNCTION__);
- pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_recommend.attr.name);
- }
-
- if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_firmup) < 0)
- {
- printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_firmup\n",__FUNCTION__);
- pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_firmup.attr.name);
- }
-
- if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_init) < 0)
- {
- printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_init\n",__FUNCTION__);
- pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_init.attr.name);
- }
-
- if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_menu) < 0)
- {
- printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_menu\n",__FUNCTION__);
- pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_menu.attr.name);
- }
-
- if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_back) < 0)
- {
- printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_back\n",__FUNCTION__);
- pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_back.attr.name);
- }
-
- if (device_create_file(touchkey_update_device.this_device, &dev_attr_brightness) < 0)
- {
- printk(KERN_ERR "%s device_create_file fail dev_attr_brightness\n",__FUNCTION__);
- pr_err("Failed to create device file(%s)!\n", dev_attr_brightness.attr.name);
- }
-
- if (device_create_file(touchkey_update_device.this_device, &dev_attr_enable_disable) < 0)
- {
- printk(KERN_ERR "%s device_create_file fail dev_attr_touch_update\n",__FUNCTION__);
- pr_err("Failed to create device file(%s)!\n", dev_attr_enable_disable.attr.name);
- }
-
- init_hw();
-
- get_touchkey_data(version_info, 3);
- printk(TCHKEY_KERN_DEBUG "%s F/W version: 0x%x, Module version:0x%x\n",__FUNCTION__, version_info[1], version_info[2]);
-
-//------------------- Auto Firmware Update Routine Start -------------------//
- if(HWREV>=8)
- {
- if(version_info[1]==0xff) //unknown firmware state
- {
- if(!mcsdl_download_binary_data(MCS5000_CHIP)) //try MCS-5000 download
- mcsdl_download_binary_data(MCS5080_CHIP); // if first try is fail, MCS-5080 download
-
- updated = 1;
- }
- else
- {
- if(version_info[2]>=MCS5000_CHIP) //MCS-5000
- {
- if(version_info[1]!=MCS5000_last_ver) //not latest version
- {
- mcsdl_download_binary_data(MCS5000_CHIP);
- updated = 1;
- }
- }
- else if(version_info[2]==MCS5080_CHIP)//MCS-5080
- {
- if(version_info[1]!=MCS5080_last_ver) //not latest version
- {
- mcsdl_download_binary_data(MCS5080_CHIP);
- updated = 1;
- }
- }
- else
- printk("Touchkey IC module is old, can't update!");
- }
-
- if(updated)
- {
- get_touchkey_data(version_info, 3);
- printk(TCHKEY_KERN_DEBUG "Updated F/W version: 0x%x, Module version:0x%x\n", version_info[1], version_info[2]);
- }
- }
-//------------------- Auto Firmware Update Routine End -------------------//
-
- ret = i2c_add_driver(&touchkey_i2c_driver);
-
- if(ret||(touchkey_driver==NULL))
- {
- touchkey_dead = 1;
- printk("ret = %d, touch_driver= %p:", ret, touchkey_driver);
- printk(KERN_ERR
- "melfas touch keypad registration failed, module not inserted.ret= %d\n",
- ret);
- }
-
- return ret;
-}
-
-static void __exit touchkey_exit(void)
-{
- i2c_del_driver(&touchkey_i2c_driver);
- misc_deregister(&touchkey_update_device);
- if (touchkey_wq)
- destroy_workqueue(touchkey_wq);
- gpio_free(_3_GPIO_TOUCH_INT);
-}
-
-module_init(touchkey_init);
-module_exit(touchkey_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("@@@");
-MODULE_DESCRIPTION("melfas touch keypad");
generated by cgit v1.1 at 2024-05-22 08:53:26 +0000